A Bayesian source association analysis of UHECRs: Impact of the Galactic magnetic field and composition Keito Watanabe, Anatoli Fedynitch, Francesca Capel and Hiroyuki Sagawa EPJ Web Conf., 283 (2023) 03009 Published online: 28 April 2023 DOI: 10.1051/epjconf/202328303009